Countertop vending machine



FIG. 1 is a front elevational view of a countertop vending machine, showing my new design;

FIG. 2 is a top, front and right side perspective view thereof; and,

FIG. 3 is a rear elevational view thereof.

The left side is a mirror image of the right side and the bottom is plain and unornamented.

The broken line showing of the packages in FIGS. 1 and 2 are for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a countertop vending machine, as shown and described. 